Check to see if the ‘A JavaScript Error Occurred in the Main Process’ still appears after restarting your computer and you launch the app. 2) Re-register the JavaScript dll file ...

To fix Script Error, An error has occurred in the script on this page in Outlook, Teams, etc. you will need to use the Internet Options in Windows 11/10.

Next I'm going to try to uninstall/reg clean/reinstall/patch to 1.2, but after reading a bunch of messages on the Painkiller forums about script errors even after patching, I'm not too confident ...